BBN steel supplies large quantity of nm300 steel high strength sheet to Nigeria

The weldability of nm300 steel high strength sheet is good. It means that under certain process and construction conditions, nm300 steel high strength sheet can obtain good performance after welding. Weldability is a measure of the hot workability of steel. Weldability can be divided into weldability in construction and weldability in use. Weldability in construction refers to the sensitivity of cracking in weld metal and near seam zone, and hardening sensitivity of steel in near seam zone. Good weldability means that under certain welding process conditions, the weld metal and steel near the seam do not produce cracks. Weldability in use means that the mechanical properties of weld and HAZ steel are not lower than those of base metal.

High strength wear-resistant plate is a kind of plate product used for large area wear condition. It is made by overlaying a certain thickness of high hardness and excellent wear-resistant layer on the surface of ordinary low carbon steel or low alloy steel with good toughness and plasticity. After production, the high-strength wear-resistant plate will be tested for its strength and bearing pressure. High strength wear-resistant plate is very wear-resistant, in the case of no accident, the service life of nm300 steel high strength sheet, high-strength wear-resistant plate is very long.

A few days ago, the relevant person in charge of China National Railway Group Co., Ltd. introduced that since the 18th National Congress of the Communist Party of China, 14 concentrated contiguous poverty-stricken areas, including old and poor, have completed a total of 3.3 trillion yuan in railway infrastructure investment, accounting for 78% of the total railway infrastructure investment; 36,000 kilometers of new lines were put into operation (20,000 kilometers of high-speed rail), accounting for 83% of the new lines put into operation in the country. Up to now, the railway network and 154 trackless stations on the whole road cover about 600 national-level poverty-stricken counties, accounting for 73% of the country's 832 poverty-stricken counties.